CSV to JSON Converter

Paste your CSV data or upload a CSV file to instantly get clean JSON output. Private, fast, free.

How does this CSV to JSON Converter work?

This free tool instantly converts CSV data to JSON format in your browser. Just paste your CSV data or upload a .csv file — the conversion happens entirely client-side for full privacy. The JSON output is pretty-printed for easy reading and can be downloaded instantly.

Why convert CSV to JSON?

CSV is a common format for spreadsheets and simple data, while JSON is better for APIs, web apps, and storing structured data. This converter makes it easy to switch formats — no signups, no uploads to servers, and no privacy worries.

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